actinomere

noun

ac·​tin·​o·​mere
ak-ˈti-nə-ˌmir
plural -s
: one of the radial segments composing the body of a radiate animal
actinomeric
ak-¦ti-nə-¦mer-ik
-¦me-rik
adjective

Word History

Etymology

probably from French actinomère, from actin- + -mère -mere

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of actinomere was in 1861

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near actinomere

Cite this Entry

“Actinomere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actinomere. Accessed 28 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!